Criteria for the Choice of Fans for use in Thermal Power Plant Applications

1996 ◽  
Vol 210 (6) ◽  
pp. 413-421
Author(s):  
A Godichon
Keyword(s):  
Power Plant ◽  
Thermal Power ◽  
Correct Choice ◽  
Point Of View ◽  
Total Power ◽  
Operating Efficiency ◽  
Power Stations ◽  
Total Power Consumption ◽  
Booster Fans ◽  
Under Construction

Large fans for the thermal power industry operate more and more on part load. This paper discusses how the total cost of an investment is increasingly based on the inclusion of the operating costs. Today there is still a high demand for conventional thermal power stations. New ones are under construction and existing ones are in the process of conversion with new desulfurization units; more and more emphasis is being concentrated on: Operating efficiency Technical reliability The environment and noise and, of course, Return on investment Because these priorities are contradictory, the objective of this paper is to guide the reader to the best choice of fan technology given differing circumstances. The correct choice is important concerning primary air, forced draft, induced draft and booster fans which can represent a total power consumption of 2–4 per cent in a 350–600 MW power plant depending on the quality of coal used and the boiler type. These fans are generally characterized by a large volume flow and a relatively large pressure and can be of the centrifugal or axial type. Many solutions are possible for controlling the air flow of these fans. The main ones will be examined by looking at their general principles, their performance and characteristics, and then comparing them from an energy consumption point of view.

scholarly journals DETERMINATION OF TECHNICAL AND ECONOMIC INDICATORS OF THERMAL POWER STATIONS DIRECTLY FROM THE TURBINE REGIME CHARACTERISTICS

2020 ◽  
Vol 4 ◽  
pp. 51-59
Author(s):  
Konstantin Kostov
Keyword(s):  
Power Plant ◽  
Thermal Power Plant ◽  
Power Plants ◽  
Thermal Power ◽  
Second Law Of Thermodynamics ◽  
Physical Method ◽  
Power Stations ◽  
Regulatory Frameworks ◽  
Energy Products ◽  
Economic Criteria

The distribution of costs for electricity and heat production is accomplished by a number of fairly conditional methods. Cost analysis and allocation must be carried out on the basis of objective technical and economic criteria. The application of a method is determined by the introduced regulatory frameworks, energy markets and the prices of energy products. There are two fundamental methods – "physical" and "exergy". The physical method is based on the distribution of costs, and the exergy on the second law of thermodynamics. The article reviews and analyzes the tariff policy of the Thermal power plant. Objective criteria have been identified to serve as a means of forecasting and controlling fuel consumption. The thermal efficiency of a Thermal power plant has been evaluated. A comparison was made with similar Thermal power plants. A fundamentally new approach is proposed to determine the main technical and economic criteria of the plant. The proposed method allows determining indicators that uniquely characterize the thermal and economic efficiency of the plant without the need for diversification of fuel costs

scholarly journals Research on Active Dustproof of Coal Handling System

2021 ◽  
Author(s):  
Man Yi Zhou
Keyword(s):  
Power Plant ◽  
Thermal Power Plant ◽  
Coal Dust ◽  
Thermal Power ◽  
Site Investigation ◽  
Point Of View ◽  
Dust Control ◽  
Gradual Improvement ◽  
Handling System ◽  
National Environmental

Abstract Coal handling system of Power plant(CHP) is easy to produce dust, which is the most serious place of coal dust pollution in thermal power plant. With the gradual improvement of national environmental protection requirements, the control of coal dust becomes more and more important. The author believes that we should not wait for the pollution caused by coal dust to be treated, but should take the initiative to attack, and should take the initiative to prevent dust, starting from the source of coal transportation. In the process of designing coal conveying of thermal power plant for many years, the author has carried out on-site investigation on many coal handling systems, summarized experience and obtained relevant data. Through further analysis, the main causes of coal dust are mastered, and the relevant measures of active dust control are put forward from the technical point of view, in order to provide help for the comprehensive control of coal dust in power industry.

scholarly journals Spatial Organization of Energy Facilities: Specific Features and Development Prospects (on the Example of Belarusian Practice

2020 ◽  
Vol 19 (3) ◽  
pp. 195-203
Author(s):  
Y. B. Morozova ◽  
A. A. Kolesnikow ◽  
N. N. Korshunova ◽  
O. E. Dolinina
Keyword(s):  
Power Plant ◽  
Alternative Energy ◽  
Power Plants ◽  
Spatial Organization ◽  
Thermal Power ◽  
Electric Energy ◽  
Negative Consequences ◽  
Global Trends ◽  
Power Stations ◽  
Industrial Architecture

The paper considers spatial organization of energy facilities with an emphasis on modern practice of the Republic of Belarus. The efficiency of enterprise operation in any industry including power industry is largely due to their architectural and planning organization. Knowledge of mechanisms and specific features of the changes taking place here makes it possible to justify a promising strategy for project activities, and therefore, it allows to manage development processes of the industry and thereby avoid many negative consequences. Energy facilities are a typological unit of industrial architecture, their formation has been started due to transition of industrial production to electric energy. Today the typology shows functional approach in architectural shaping, it includes a fairly large variety of constituent units and demonstrates a tendency towards diversification. In Belarus energy facilities in the architectural aspect of their classification are limited mostly to thermal power plants operating on different types of fuel. Currently the diversification is developing in the following areas: construction of hydropower facilities (small plants on reservoirs, medium power plants, low-pressure plants, run-of-the-river hydraulic power stations), alternative energy (wind power stations, photovoltaic power stations and biogas plants) and conventional energy (thermal power plant, mini-combined heat and power plant operating on renewable fuel). The results of Belarusian practice in construction of all types of facilities (hydropower, alternative and conventional energy), peculiarities of the architectural and planning organization of facilities at the current stage, correlation with global trends in the development of industrial architecture have been characterized in the paper. The paper has determined typological features of alternative energy facility architecture, opportunities and directions for implementation of architectural approaches, problems and prospects to develop scientific support for the project process.

scholarly journals Layout and Present Status of the Closed-Cycle Helium Turbine Plant Oberhausen

1974 ◽  
Author(s):  
K. Bammert ◽  
G. Deuster
Keyword(s):  
Power Plant ◽  
Heat Exchangers ◽  
Thermal Power ◽  
Closed Cycle ◽  
Power Station ◽  
Turbine Plant ◽  
Working Medium ◽  
Circuit Components ◽  
The One ◽  
Under Construction

The Oberhausen gas turbine plant now under construction is designed as a fossil-fired heating power station to produce a net electrical output at terminals of 50 MW. Helium as a working medium is employed for the first time in a closed-cycle industrial power plant system. A report is given on the layout of the circuit parameters, on the physical size of the turbomachines and heat exchangers as well as on the design of the gas-fired helium heater. Moreover, the arrangement of circuit components is discussed. The Oberhausen plant was projected under the aspect of a commercial thermal power station. Besides, the plant is of considerable importance concerning the German program for developing high-temperature reactors with helium turbines (HHT). Its significance is, on the one hand, based on the fact that the turbomachines and heat exchangers are constructed in many details to meet the requirements which occur in nuclear helium turbines of high output. Some of these components closely resemble dimensions and stresses as in a HHT-power plant. On the other hand the operational behavior of component parts will be tested under real conditions of a commercial power plant.

scholarly journals Cost Management of a CFBC Boiler in a Thermal Power Plant

2019 ◽  
Vol 8 (6S2) ◽  
pp. 883-887
Keyword(s):  
Power Plant ◽  
Fluidized Bed ◽  
Thermal Power Plant ◽  
Circulating Fluidized Bed ◽  
Thermal Power ◽  
Thermal Capacity ◽  
Fluidized Bed Combustion ◽  
Magnetic Separator ◽  
Power Stations ◽  
Bed Material

India, being the world's third most noteworthy power maker with all out exhibited purpose of containments of 344.69 GW, contributing 68% of thermal Capacity. Subsequently, Thermal power producing stations are basic. As an electrical architect, exceptional consideration ought to be taken to decrease coal utilization in Thermal power generating stations. In Thermal power producing stations, boilers utilized are Circulating Fluidized Bed Combustion (CFBC) and Atmospheric Fluidized Bed Combustion (AFBC). These boilers utilize bed material to keep up warmth in the boiler. 210MW and under 210 MW generators in the Thermal power producing stations are utilizing CFBC boilers. After a nearby examination of thermal power stations, it is discovered that the bed material including over 5% of engaging parts are open in the bed material which is horrendous. This happens where magnetic separator at the bed material stacking point is missing or far off. From this time forward it is proposed to introduce a magnetic separator at the bed material stacking point. With this establishment of magnetic separator hardware, boiler efficiency can be reached out to 2.1% more, to keep up the required temperature and to maintain a strategic distance from boiler stoppages. An endeavor has been made to perceive the usage required presenting attractive separator and it has been discovered that the reward period is obliged to roughly 1 to 2 years if the engaging sections in the bed material are 5%and 10% respectively. The Proposed issue is endeavored with MATLAB condition and cost examination of thermal power plant is separated and existing synthesis information. The test outcomes displayed that the proposed framework gives an attainable game-plan gigantic theory saves and liberal for consistent assignments.

scholarly journals Development of Flue Gas Desulphurization Reactor for Reducing SOX Emission from Flue Gases Emitted in Thermal Power Plants

2019 ◽  
Vol 9 (2S4) ◽  
pp. 89-95
Keyword(s):  
Power Plant ◽  
Flue Gas ◽  
Power Plants ◽  
Thermal Power ◽  
Electrical Energy ◽  
Oxides Of Nitrogen ◽  
Power Station ◽  
Contamination Control ◽  
Power Stations ◽  
Oil Gas

Electrical energy produced in any country is one of the development measures takes place in that country. The energy produced is mainly based on the available resources such as flowing water, coal, oil, gas, nuclear fuels, wind, solar etc. The accessibility of bounty coal in India had provoked the power plant organizers to introduce coal based warm power stations. During the pre-autonomy and post-freedom period in mid fifties, the need was to create control and subsequently much consideration was not paid to the contamination angle and this proceeded up to late seventies. The awareness made by contamination impact on the general public and the colossal measure of disintegration exposed to the gear constrained the specialists to make contamination standards increasingly stringent. These convincing standards which appeared in eighties required the power plant faculty to change the contamination control gear in the current power plants introduced during early days. Most of intensity plants in India going from not many MW to 500 MW or more are of pounded fuel terminated boilers using low calorific, low coal sulfur, high debris content sub-bituminous coal. Due to burning of the coal, emissions such as Particulate Matter (PM), Oxides of Sulphur (SOx) and Oxides of Nitrogen (NOx) apart from CO2, CO are carried away to the atmosphere through the flue gas. In this paper, the methodology to reduce SOx from flue gas in a coastal power station in is discussed and the optimum methodology adopted is Seawater Flue Gas Desulphurisation (SWFGD) using the alkalinity of the seawater to scrub SO2 from the flue gas. The seawater used in the FGD system is from the once through Condenser outlet of the Turbine system and since there is no by-product to be disposed, the seawater FGD is the optimum SOx reducing mechanism for a coastal thermal power station.

Thermal Power Emission and Its Impact on Betel Vine (Piper betel): A Participatory Action Research in West Bengal

2020 ◽  
pp. 71-79
Author(s):  
Sk Wasaful Quader ◽  
Arindam Ghosh ◽  
S. K. Acharya ◽  
Monirul Haque ◽  
Kabita Mondal ◽  
...  
Keyword(s):  
Power Plant ◽  
Environmental Impact ◽  
Thermal Power Plant ◽  
West Bengal ◽  
Thermal Power ◽  
Thick Layer ◽  
Participatory Action ◽  
Power Stations ◽  
Thermal Power Stations ◽  
Perceived Impacts

Thermal power stations are now considered as the foremost global concern as these are responsible to produce detrimental effects on the environment. Environmental Impact Assessment (EIA) is a process of evaluating the likely environmental impact so proposed project or development, taking into account inter-related socio-economic, cultural and human-health impacts, both beneficial and adverse. In this study, the perception of certain(60)farmers in 5 villages of Kolaghat block of Purba Medinipur, West Bengal, India are recorded and analyzed on the basis of their knowledge and views about thermal power, environment and about their individual enterprises. There are 10 independent variables-ages (x1), education (x2), family Member (x3), income (x4), homestead land (x5), total Land (x6), land under Boroj (x7), input cost (x8), and livestock number (x9), distance of villages from Kolaghat thermal power plant (x10) and 1 dependable variables- 1) perceived impacts of Kolaghat thermal power plant on betel vine(y2). From this empirical study, it has been found to be concluded that the common perception among the betel growers is that the Kolaghat thermal power plant produces huge amount of flu ash which reduces their level of income on betel vine. Thick layer of fly ash reduces the quality of leaves and bronzing occurred which affect production. It affects betel vine borojes. It is found from the result that villages which are nearly placed at Kolaghat thermal power plant side are mostly affected.

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